1Acibadem Mehmet Ali Aydinlar University School of Medicine, Istanbul, Turkey
2Comprehensive Spine Center, Acibadem Maslak Hospital, Istanbul, Turkey
3Department of Orthopedics and Traumatology, Hacettepe University School of Medicine, Ankara, Turkey
4Department of Neurosurgery, Shriners Hospital for Children, Philadelphia, Pennsylvania
5Acibadem Mehmet Ali Aydinlar University School of Medicine, Department of Orthopedics and Traumatology, Istanbul, Turkey
E-mail address for A. Alanay: email@example.com
Investigation performed at Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
Disclosure: The authors indicated that no external funding was received for any aspect of this work. On the Disclosure of Potential Conflicts of Interest forms, which are provided with the online version of the article, one or more of the authors checked “yes” to indicate that the author had a relevant financial relationship in the biomedical arena outside the submitted work and “yes” to indicate that the author had other relationships or activities that could be perceived to influence, or have the potential to influence, what was written in this work (http://links.lww.com/JBJSREV/A492).